16
CDX-S1000/S2000/S2000C
Pin No.
Pin Name
I/O
Pin Description
54
COL_SW
I
1 color/2 color select input (L (1 color): CDX-S1000/S2000,
H (2 color): CDX-S2000C)
55 to 57
NCO
O
Not used. (Open)
58
PANEL_SW
I
Front panel detach detection input (L: with front panel, H: without front panel)
59
DIAG
I
Mode input from power amp IC.
60
VOLATT
O
Attenuator control output to electronic volume IC.
61
NOSE-SW
O
Not used. (Open)
62
NCO
O
Not used. (Open)
63
VSS2
—
Ground
64
TU-ATT
O
Tuner mute control output
65
NCO (TUNON)
O
Not used. (Open)
66
NS_MASK
O
Noise mask output (CDX-S2000/S2000C)
67
EEP_CKO
O
Serial clock output to EEPROM communication.
68
EEP_SIO
I/O
Serial data input/output with EEPROM communication.
69
DOOR-IND
O
Not used. (Open)
70
AMPSTB
O
Standby control output to power amp IC.
71
NCO
O
Not used. (Open)
72
LCDSO/FLS_SO
O
Serial data output to LCD driver IC.
73
LCDCE/FLS_SI
O
Chip enable output to LCD driver IC.
74
LCDCKO
O
Serial clock output to LCD driver IC.
75 to 78
NCO
O
Not used. (Open)
79
I2C_SIO
I/O
I2C bus serial data input/output
80
NCO
O
Not used. (Open)
81
I2C_CKO
O
I2C bus serial clock output
82
DAVN
I
RDS data block synchronization detection input (CDX-S2000/S2000C)
83
SIRCS
I
SIRCS signal input
84
NCO
O
Not used. (Open)
85
BEEP
O
Beep output to power amp IC.
86 to 88
NCO
O
Not used. (Open)
89
VDD3
—
Power supply pin (+3.3 V)
90
NCO
O
Not used. (Open)
91
VSS3
—
Ground
92
QUALITY
I
Noise detection input (CDX-S2000/S2000C)
93
VSM
I
S-meter voltage detection input
94, 95
KEYIN1, 0
I
Key input 1, 0
96
RCIN0
I
Rotary commander key input
97 to 99
NCO
O
Not used. (Open)
100
VREF+
—
A/D converter power supply (+) pin (+3.3 V)
